<html xmlns="http://www.w3.org/1999/xhtml"  
    xmlns:h="http://java.sun.com/jsf/html"  
    xmlns:f="http://java.sun.com/jsf/core"  
    xmlns:p="http://primefaces.org/ui">  
  
    <h:head>  
  		
    </h:head> 
    <h:body>
		<h:form>
			<p:panel header="Prueba con Primefaces">
				<h:panelGrid columns="2">
					<h:outputLabel value="Fecha" />
					<p:calendar pattern="dd/MM/yyyy" />
				</h:panelGrid>  
			</p:panel>
		</h:form>
	</h:body> 
</html> 